octeontx2-pf: Fix use-after-free bugs in otx2_sync_tstamp()

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CVE-2022-49659 can: m_can: m_can_{read_fifo,echo_tx_event}(): shift timestamp to full 32 bits

In the Linux kernel, the following vulnerability has been resolved: can: mcan: mcanreadfifo,echotxevent: shift timestamp to full 32 bits In commit 1be37d3b0414 "can: mcan: fix periph RX path: use rx-offload to ensure skbs are sent from softirq context" the RX path for peripheral devices was...